Final answer:
During World War II, women's roles in society underwent a significant transformation as they entered the workforce and served in the armed forces.
Step-by-step explanation:
The statement that best demonstrates why World War II was a watershed in the status of women is option D. During the war, more than 6 million women entered the civilian workforce and over 200,000 served in the armed forces. This marked a significant shift in the traditional roles of women, as they took on jobs and responsibilities that were previously considered male-dominated.
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